Power Electronics By which one of the following we can measure the reliability of a string? Derating factor. String efficient. Reliability factor. Factor of safety. Derating factor. String efficient. Reliability factor. Factor of safety. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of long period. both (A) and (B). neither (A) nor (B). of short duration. of long period. both (A) and (B). neither (A) nor (B). of short duration. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A Triac has three terminals viz ___________ Drain, source, gate Two main terminal and a gate terminal None of these Cathode, anode, gate Drain, source, gate Two main terminal and a gate terminal None of these Cathode, anode, gate ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be 150 A. 120 A. 100 A. 110 A. 150 A. 120 A. 100 A. 110 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. One pn junction None of these Three pn junctions Two pn junctions One pn junction None of these Three pn junctions Two pn junctions ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.27. 0.32. 0.67. 0.45. 0.27. 0.32. 0.67. 0.45. ANSWER DOWNLOAD EXAMIANS APP
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